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Reword README regarding environment variables 

This clarifies the usage somewhat, without needing changes to existing
functionality. I may look into reworking the variables, but until then
this will be an improvement. That is to say, this is meant to NOT
resolve issue #230.

- Add section heading for variables
- Move `predetect`/`sleep` example up above new section
- Add example usage of variable, and explain the oddity with 'current'
profile during preswitch.
This commit is contained in:
noughtnaut 2020-12-01 00:21:05 +01:00 committed by Phillip Berndt
parent cc731e35ef
commit 7b7c05316e
2 changed files with 36 additions and 10 deletions
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23
README.md
View File

@ -194,17 +194,30 @@ it has a unique name.
If you switch back from `docked` to `mobile`, `~/.config/autorandr/postswitch`
is executed instead of the `docked` specific `postswitch`.
In these scripts, some of autorandr's state is exposed as environment variables
If you experience issues with xrandr being executed too early after connecting
a new monitor, then you can use a `predetect` script to delay the execution.
Write e.g. `sleep 1` into that file to make autorandr wait a second before
running `xrandr`.
#### Variables
Some of autorandr's state is exposed as environment variables
prefixed with `AUTORANDR_`, such as:
- `AUTORANDR_CURRENT_PROFILE`
- `AUTORANDR_CURRENT_PROFILES`
- `AUTORANDR_PROFILE_FOLDER`
- `AUTORANDR_MONITORS`
If you experience issues with xrandr being executed too early after connecting
a new monitor, then you can use a `predetect` script to delay the execution.
Write e.g. `sleep 1` into that file to make autorandr wait a second before
running `xrandr`.
with the intention that they can be used within the hook scripts.
For instance, you might display which profile has just been activated by
including the following in a `postswitch` script:
```sh
notify-send -i display "Display profile" "$AUTORANDR_CURRENT_PROFILE"
```
The one kink is that during `preswitch`, `AUTORANDR_CURRENT_PROFILE` is
reporting the *upcoming* profile rather than the *current* one.
### Wildcard EDID matching

23
contrib/packaging/rpm/autorandr.spec
View File

@ -239,17 +239,30 @@ it has a unique name.
If you switch back from `docked` to `mobile`, `~/.config/autorandr/postswitch`
is executed instead of the `docked` specific `postswitch`.
In these scripts, some of autorandr's state is exposed as environment variables
If you experience issues with xrandr being executed too early after connecting
a new monitor, then you can use a `predetect` script to delay the execution.
Write e.g. `sleep 1` into that file to make autorandr wait a second before
running `xrandr`.
#### Variables
Some of autorandr's state is exposed as environment variables
prefixed with `AUTORANDR_`, such as:
- `AUTORANDR_CURRENT_PROFILE`
- `AUTORANDR_CURRENT_PROFILES`
- `AUTORANDR_PROFILE_FOLDER`
- `AUTORANDR_MONITORS`
If you experience issues with xrandr being executed too early after connecting
a new monitor, then you can use a `predetect` script to delay the execution.
Write e.g. `sleep 1` into that file to make autorandr wait a second before
running `xrandr`.
with the intention that they can be used within the hook scripts.
For instance, you might display which profile has just been activated by
including the following in a `postswitch` script:
```sh
notify-send -i display "Display profile" "$AUTORANDR_CURRENT_PROFILE"
```
The one kink is that during `preswitch`, `AUTORANDR_CURRENT_PROFILE` is
reporting the *upcoming* profile rather than the *current* one.
### Wildcard EDID matching